All About Photographic Lenses.
Specifications, comparison, reviews, MTF-charts for lenses by Canon, Nikon, Sony, Pentax, Olympus, Sigma, Tamron, Carl Zeiss, etc.

Sigma AF 100-300 mm f/ 4 EX DG HSM APO used:

	Name	Full name	Place	Scores	Rank
1	avp	Semenov Alexander	Moscow	29	lvl.1 (Lens-Learner)
2	vfn82			19.5	lvl.1 (Lens-Learner)
3	Bernard	Bernard Moizan	Tours	94.7998	lvl.1 (Lens-Learner)
4	Tomas1114			9.4	lvl.1 (Lens-Learner)
5	JMiguel	JMiguel		144.6	lvl.1 (Lens-Learner)

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